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authorWojtek Kosior <kwojtus@protonmail.com>2019-12-26 19:02:32 +0100
committerWojtek Kosior <kwojtus@protonmail.com>2019-12-26 19:02:32 +0100
commit4d3cd9bd400b3d07d752d60ce2b3c425a53b72d6 (patch)
tree4b7333d69113fff1137fe1bf805be8905c5b752e /boot.S
parent9d587f9f750253461314757f2f861c5214563120 (diff)
downloadrpi-MMU-example-4d3cd9bd400b3d07d752d60ce2b3c425a53b72d6.tar.gz
rpi-MMU-example-4d3cd9bd400b3d07d752d60ce2b3c425a53b72d6.zip
improve linking of initial boot code
Diffstat (limited to 'boot.S')
-rw-r--r--boot.S12
1 files changed, 3 insertions, 9 deletions
diff --git a/boot.S b/boot.S
index a792c94..ae56387 100644
--- a/boot.S
+++ b/boot.S
@@ -1,20 +1,14 @@
// armv7 mode
-// To keep this in the first portion of the binary.
-.section ".boot"
-
-//.org 0x8000
-
-// Make _start global.
-.globl _start
-
// Entry point for the kernel.
// r15 -> should begin execution at 0x8000.
// r0 -> 0x00000000
// r1 -> 0x00000C42
// r2 -> 0x00000100 - start of ATAGS
// preserve these registers as argument for kernel_main
-_start:
+
+.globl _boot // make entry point label global
+_boot:
// Shut off extra cores
mrc p15, 0, r5, c0, c0, 5
and r5, r5, #3